In 1986, Pope John Paul II visited the Great Synagogue of Rome in the first recorded papal visit of its kind to a Jewish house of worship.
In 1992, the Great Chicago Flood took place as the city's century-old tunnel system and adjacent basements filled with water from the Chicago River.
Ten years ago: A defiant Eric Rudolph pleaded guilty to carrying out the deadly bombing at the 1996 Atlanta Olympics and three other attacks in back-to-back court appearances in Birmingham, Alabama, and Atlanta. Contract worker Jeffrey Ake (ayk) was shown at gunpoint on a videotape aired by Al-Jazeera television, two days after he was kidnapped near Baghdad. (His fate remains unknown.) Gymnast Paul Hamm (hahm) received the 75th Sullivan Award as the nation's top amateur athlete.
Five years ago: World leaders concluded a 47-nation nuclear security conference in Washington, endorsing President Barack Obama's call for securing all of the globe's vulnerable nuclear materials within four years, but offering few specifics for achieving that goal. First lady Michelle Obama and Dr. Jill Biden paid a surprise visit to Haiti, the scene of a devastating earthquake three months earlier.
One year ago: The head of the United Nations' expert panel on climate change said the cost of keeping global warming in check was "relatively modest," but only if the world acted quickly to reverse the buildup of heat-trapping gases in the atmosphere. Three people were shot to death at two sites in suburban Kansas City; suspect Frazier Glenn Miller, a white supremacist, was allegedly targeting Jews (none of the victims was Jewish). Thirty-six people were killed when a bus slammed into a broken-down truck in Veracruz, Mexico. Bubba Watson won the Masters for the second time in three years.
Today's Birthdays: Movie director Stanley Donen is 91. Former Sen. Ben Nighthorse Campbell, R-Colo., is 82. Actor Lyle Waggoner is 80. Actor Edward Fox is 78. Actor Paul Sorvino is 76. Rhythm-and-blues singer Lester Chambers is 75. Movie-TV composer Bill Conti is 73. Rock musician Jack Casady is 71. Actor Tony Dow is 70. Singer Al Green is 69. Actor Ron Perlman is 65. Actor William Sadler is 65. Singer Peabo Bryson is 64. Bandleader/rock musician Max Weinberg is 64. Bluegrass singer-musician Sam Bush is 63. Rock musician Jimmy Destri is 61. Singer-musician Louis Johnson (The Brothers Johnson) is 60. Comedian Gary Kroeger is 58. Actress Saundra Santiago is 58. Sen. Bob Casey Jr., D-Pa., is 55. Rock musician Joey Mazzola (Sponge) is 54. Chess grandmaster Garry Kasparov is 52. Actress Page Hannah is 51. Actress-comedian Caroline Rhea (RAY) is 51. Rock musician Lisa Umbarger is 50. Rock musician Marc Ford is 49. Reggae singer Capleton is 48. Actor Ricky Schroder is 45. Rock singer Aaron Lewis (Staind) is 43. Actor Bokeem Woodbine is 42. Singer Lou Bega is 40. Actor-producer Glenn Howerton is 39. Actor Kyle Howard is 37. Actress Kelli Giddish (TV: "Law & Order: Special Victims Unit") is 35. Actress Courtney Peldon is 34. Pop singer Nellie McKay (mih-KY') is 33. Actress Allison Williams is 27. Actress Hannah Marks is 22.